CVE-2026-83240 Missing authorization in Oracle Commerce Guided Search / Oracle Commerce Experience Manager
A low-privileged attacker can modify critical data or cause a denial of service in Oracle Commerce Guided Search and Experience Manager.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83240?
CVE-2026-83240 is a high-severity missing authorization vulnerability in Oracle Commerce Guided Search / Oracle Commerce Experience Manager, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Forge). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Commerce Guided Search / Oracle Commerce Experience Manager executes to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Commerce Guided Search / Oracle Commerce Experience Manager. CVSS 3.1 Base Score 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-83240?
How do I fix CVE-2026-83240?
No fix has been published for CVE-2026-83240 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-83240 being exploited?
There is no known exploitation of CVE-2026-83240 in the wild and no public exploit code.
Sources
Also known as GHSA-w6cv-w726-mc9j.